.container{
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}
.item {
  flex: 1 0 auto;         
}
header {
    margin-top: 3%;
    font-size: xx-large;  
    text-align: center; 
}
article{
    text-align: justify;
}
footer{
    max-height: 10%;
    font-size: small;    
}
.title-footer {
    font-size: medium;
}
.no-class {
   list-style: none; 
}
ul.list-disc > li {
    list-style: disc;
    margin-left: 3%;
}
nav{
    background-color: #82b1ff !important;
}
.menu-icon{
    margin-left: 4%;
}
.logo{
    width: 100%;
}